Home / 198,581.27-297,704.01-86,176.46

Finding the Fourth Proportional to 198,581.27, 297,704.01 and 86,176.46

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Solution

The fourth proportional to 198,581.27, 297,704.01 and 86,176.46 is: 129,191.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,581.27 : 297,704.01 = 86,176.46 : x
  2. Step 2: Convert to fraction form
    198,581.27/297,704.01 = 86,176.46/x
  3. Step 3: Cross multiply
    198,581.27x = 297,704.01 × 86,176.46
  4. Step 4: Simplify right side
    198,581.27x = 25,655,076,617.70
  5. Step 5: Solve for x
    x = 25,655,076,617.70/198,581.27
  6. Step 6: Final answer
    x = 129,191.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.